package com.zzyl.nursing.service.impl;

import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.List;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.nursing.domain.*;
import com.zzyl.nursing.dto.CheckInApplyDto;
import com.zzyl.nursing.dto.CheckInElderDto;
import com.zzyl.nursing.mapper.*;
import com.zzyl.nursing.util.CodeGenerator;
import com.zzyl.nursing.vo.CheckInConfigVo;
import com.zzyl.nursing.vo.CheckInDetailVo;
import com.zzyl.nursing.vo.CheckInElderVo;
import org.apache.commons.lang3.ObjectUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.service.ICheckInService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.transaction.annotation.Transactional;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.Period;

/**
 * 入住Service业务层处理
 * 
 * @author wmh_9527
 * @date 2025-05-26
 */
@Service
public class CheckInServiceImpl extends ServiceImpl<CheckInMapper, CheckIn> implements ICheckInService
{
    @Autowired
    private CheckInMapper checkInMapper;
    @Autowired
    private ElderMapper  elderMapper;
    @Autowired
    private BedMapper  bedMapper;
    @Autowired
    private CheckInConfigMapper  checkInConfigMapper;
    @Autowired
    private ContractMapper contractMapper;
    /**
     * 查询入住
     * 
     * @param id 入住主键
     * @return 入住
     */
    @Override
    public CheckIn selectCheckInById(Long id)
    {
        return checkInMapper.selectById(id);
    }

    /**
     * 查询入住列表
     * 
     * @param checkIn 入住
     * @return 入住
     */
    @Override
    public List<CheckIn> selectCheckInList(CheckIn checkIn)
    {
        return checkInMapper.selectCheckInList(checkIn);
    }

    /**
     * 新增入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int insertCheckIn(CheckIn checkIn)
    {
        return checkInMapper.insert(checkIn);
    }

    /**
     * 修改入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int updateCheckIn(CheckIn checkIn)
    {
        return checkInMapper.updateById(checkIn);
    }

    /**
     * 批量删除入住
     * 
     * @param ids 需要删除的入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInByIds(Long[] ids)
    {
        return checkInMapper.deleteBatchIds(Arrays.asList(ids));
    }

    /**
     * 删除入住信息
     * 
     * @param id 入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInById(Long id)
    {
        return checkInMapper.deleteById(id);
    }

    /*
    * 申请入住
    * */
    @Override
    @Transactional
    public void apply(CheckInApplyDto checkInApplyDto) {
        //判断老人是否已入住
        //通过身份证号查询老人
        LambdaQueryWrapper<Elder> elderQueryWrapper = new LambdaQueryWrapper<Elder>();
        elderQueryWrapper.eq(Elder::getIdCardNo,checkInApplyDto.getCheckInElderDto().getIdCardNo());
        elderQueryWrapper.eq(Elder::getStatus,1);
        Elder elder = elderMapper.selectOne(elderQueryWrapper);
        if (ObjectUtils.isNotEmpty(elder)){
            throw new BaseException("该老人已入住");
        }

        //更新床位状态
        Bed bed=bedMapper.selectById(checkInApplyDto.getCheckInConfigDto().getBedId());
        bed.setBedStatus(1);
        bedMapper.updateById(bed);

        //新增或更新老人数据
        elder=insertOrUpdate(bed,checkInApplyDto.getCheckInElderDto());

        //生成合同编号
        String contractNo = "HT"+ CodeGenerator.generateContractNumber();

        //新增签约办理
        insertContract(contractNo,elder,checkInApplyDto);

        //新增入住信息
        CheckIn checkIn =insertCheckIn(elder,checkInApplyDto);

        //新增入住配置
        insertCheckInConfig(checkIn.getId(),checkInApplyDto);
    }


    //新增或更新老人
    private Elder insertOrUpdate(Bed bed, CheckInElderDto checkInElderDto) {
        //准备老人数据
        Elder elder = new Elder();
        //属性拷贝
        BeanUtils.copyProperties(checkInElderDto,elder);
        elder.setBedNumber(bed.getBedNumber());
        elder.setBedId(bed.getId());
        elder.setStatus(1);
        //查询老人信息(身份证号，状态不为1)
        LambdaQueryWrapper<Elder> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(Elder::getIdCardNo,checkInElderDto.getIdCardNo()).ne(Elder::getStatus,1);
        Elder elderDb=elderMapper.selectOne(lambdaQueryWrapper);
        if (ObjectUtils.isNotEmpty(elderDb)){
            //修改
            elderMapper.updateById(elder);
        }else {
            //新增
            elderMapper.insert(elder);
        }
        return elder;
    }

    //新增签约办理
    private void insertContract(String contractNo, Elder elder, CheckInApplyDto checkInApplyDto) {
        Contract contract = new Contract();
        //属性拷贝
        BeanUtils.copyProperties(checkInApplyDto.getCheckInContractDto(),contract);
        contract.setContractNumber(contractNo);
        contract.setElderId(elder.getId().intValue());
        contract.setElderName(elder.getName());

        // 添加这行代码，防止数据库报错
        contract.setAgreementPath(""); // 或者 null，根据业务需求

        //状态，开始时间，结束时间
        LocalDateTime checkInStartTime = checkInApplyDto.getCheckInConfigDto().getStartDate();
        LocalDateTime checkInEndTime = checkInApplyDto.getCheckInConfigDto().getEndDate();
        Integer status =checkInStartTime.isBefore(LocalDateTime.now())?0:1;
        contract.setStatus(status);
        contract.setStartDate(checkInStartTime);
        contract.setEndDate(checkInEndTime);
        contractMapper.insert(contract);
    }

    //新增入住信息
    private CheckIn insertCheckIn(Elder elder, CheckInApplyDto checkInApplyDto) {
        CheckIn checkIn = new CheckIn();
        checkIn.setElderId(elder.getId());
        checkIn.setElderName(elder.getName());
        checkIn.setIdCardNo(elder.getIdCardNo());
        checkIn.setNursingLevelName(checkInApplyDto.getCheckInConfigDto().getNursingLevelName());
        checkIn.setStartDate(checkInApplyDto.getCheckInConfigDto().getStartDate());
        checkIn.setEndDate(checkInApplyDto.getCheckInConfigDto().getEndDate());
        checkIn.setBedNumber(elder.getBedNumber());
        checkIn.setStatus(0);
        checkInMapper.insert(checkIn);
        return checkIn;
    }

    //新增入住配置
    private void insertCheckInConfig(Long checkInId, CheckInApplyDto checkInApplyDto) {
        CheckInConfig checkInConfig = new CheckInConfig();
        //属性拷贝
        BeanUtils.copyProperties(checkInApplyDto.getCheckInConfigDto(),checkInConfig);
        checkInConfig.setCheckInId(checkInId);
        checkInConfigMapper.insert(checkInConfig);
    }

    //查询入住详情
    @Override
    public CheckInDetailVo selectAll(Long id) {
        //查询入住信息
        CheckInDetailVo checkInDetailVo = new CheckInDetailVo();
        CheckIn checkIn = checkInMapper.selectById(id);
        if (checkIn == null){
            throw new BaseException("未找到入住信息");
        }

        //查询老人信息封装到CheckInElderVo
        CheckInElderVo checkInElderVo = new CheckInElderVo();
        Elder elder = elderMapper.selectById(checkIn.getElderId());
        if (elder == null) {
            throw new BaseException("未找到对应老人信息");
        }
        //计算年龄
        checkInElderVo.setAge(checkInElderVo.calculateAgeByIdCard(elder.getIdCardNo()));
        BeanUtils.copyProperties(elder,checkInElderVo);


        //查询入住信息封装到CheckInConfigVo
        CheckInConfigVo checkInConfigVo = new CheckInConfigVo();
        CheckInConfig checkInConfig = checkInConfigMapper.select(checkIn.getId());
        if (checkInConfig == null) {
            throw new BaseException("未找到入住配置信息");
        }
        BeanUtils.copyProperties(checkInConfig,checkInConfigVo);


        //查询签约办理信息封装到Contract
        Contract contract = contractMapper.selectContractByElderId(elder.getId());
        if (contract == null) {
            throw new BaseException("未找到合同信息");
        }
        //封装到CheckInDetailVo
        checkInDetailVo.setCheckInElderVo(checkInElderVo);
        checkInDetailVo.setCheckInConfigVo(checkInConfigVo);
        checkInDetailVo.setContract(contract);
        return checkInDetailVo;
    }


}
